Discount Water Filters and Air Filters at Discount Filter Store.com

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Water Filtration Systems & Filters

Discount Filter Store carries a wide variety of water filters and filtration systems to make sure that you have clean water everywhere you need it. We offer camping water filters, RV filters, water bottles for travelers on the go. Purify your office or home’s drinking water with countertop filter systems, commercial grade filters, and whole house filter systems. Our filters are protected by our 100% Price Match Guarantee. We are happy to offer you the lowest possible price on our filters, matching any lower price listed by competitors.

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Items 26 to 50 of 215 total

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  1. P-250A Pentek Comparable Under Sink Filter Set by Tier1

    P-250A Pentek Comparable Under Sink Filter Set by Tier1

    Fits various brands of under-sink housings, including Culligan, Pentek, Ametek and American Plumber Learn More

    As Low As $0.00 Per Filter

  2. WHKF-DB1 Whirlpool Comparable Under Sink Water Filter by Tier1

    WHKF-DB1 Whirlpool Comparable Under Sink Water Filter by Tier1

    Fits various brands of under-sink housings, including Culligan, Pentek, Ametek and American Plumber Learn More

    As Low As $0.00 Per Filter

  3. WHKF-DB2 Whirlpool Comparable Under Sink Water Filter by Tier1

    WHKF-DB2 Whirlpool Comparable Under Sink Water Filter by Tier1

    Fits various brands of under-sink housings, including Culligan, Pentek, Ametek and American Plumber Learn More

    As Low As $0.00 Per Filter

  4. FQSVF / FQSLF GE SmartWater Undersink Water Filter Replacement Cartridge Set By Tier1

    FQSVF / FQSLF GE SmartWater Undersink Water Filter Replacement Cartridge Set By Tier1

    Fits GE SmartWater undersink filter systems Learn More
    $36.99 MSRP:  $83.99
  5. FQK2J GE SmartWater Undersink Water Filter Replacement Cartridge Set by Tier1

    FQK2J GE SmartWater Undersink Water Filter Replacement Cartridge Set by Tier1

    Fits GE SmartWater undersink filter systems Learn More

    As Low As $0.00 Per Filter

  6. FQK2J GE Undersink Water Filter Set

    FQK2J GE Undersink Water Filter Set

    Fits GE SmartWater undersink filter systems Learn More
    $49.98 MSRP:  $49.99
  7. W9123053 Doulton UltraCarb Undersink Ceramic Candle Replacement Filter Cartridge

    W9123053 Doulton UltraCarb Undersink Ceramic Candle Replacement Filter Cartridge

    Fits Doulton HIP, HIS and HCPS housings (NOT gravity-fed) Learn More
    $35.00 MSRP:  $73.99
  8. Pentek CFB-PB10 Lead & Cyst Carbon Filter

    Pentek CFB-PB10 Lead & Cyst Carbon Filter

    Perfect for well water applications with the potential for microorganisms Learn More
    $13.99 MSRP:  $17.12
  9. Pentek SCBC-10 Silvered Carbon Block

    Pentek SCBC-10 Silvered Carbon Block

    Standard 10 inch by 2.5 inch size fits many under sink filter housings Learn More
    $22.99 MSRP:  $24.71
  10. Pentek QC10-CB1R Carbon Block Quick Change Filter

    Pentek QC10-CB1R Carbon Block Quick Change Filter

    Proprietary design fits Pentek QC systems exclusively Learn More
  11. 600R American Plumber Undersink Filter Replacement Cartridge

    600R American Plumber Undersink Water Filter Cartridge

    Built to fit into American Plumber WIC-600 and DW-600 undersink water filtration systems Learn More
    $31.99 MSRP:  $35.06
  12. WIC-600 American Plumber Undersink Filter System

    WIC-600 American Plumber Undersink Filter System

    Fits any 1/4-inch water line Learn More
    $55.99 MSRP:  $58.34
  13. ADS-APRC6 Aquapatrol Ice Machine Replacement Water Filter

    ADS-APRC6 Aquapatrol Ice Machine Replacement Water Filter

    Fits Scotsman AquaPatrol ADS-AP1, ADS-AP2, and ADS-AP3 water filter systems Learn More
  14. EP15 3M Aqua-Pure Whole House Water Filter

    EP15 3M Aqua-Pure Whole House Water Filter Cartridge

    For use in 3M Aqua-Pure and Everpure whole house water filtration systems Learn More
    $69.99 MSRP:  $82.79
  15. EP25 3M Aqua-Pure Whole House Water Filter

    EP25 3M Aqua-Pure Whole House Water Filter Cartridge

    Fits the 3M Aqua-Pure/Everpure H-104, H-200 and H-220 whole house water filtration systems Learn More
    $91.99 MSRP:  $111.54
  16. A101 Aries Undersink Comparable Filter Replacement Cartridge by Tier1

    A101 Aries Undersink Comparable Filter Replacement Cartridge by Tier1

    Fits the Gen IV and other Amway and Quixtar Water Treatment Systems Learn More
    $33.99 MSRP:  $49.21
  17. WI-BG3000C Body Glove Replacement Filter Cartridge

    WI-BG3000C Body Glove Replacement Filter Cartridge

    Fits the Body Glove BG-3000 Water Filter System Learn More
    $158.99 MSRP:  $192.95
  18. WI-BG3000R Body Glove Replacement Filter Cartridge

    WI-BG3000R Body Glove Replacement Filter Cartridge

    Fits existing Everpure C-300 Filtration Systems Learn More
    $145.99 MSRP:  $174.95
  19. CB1 OmniFilter Undersink Filter Replacement Cartridge

    CB1-SS6-S06 OmniFilter Undersink Water Filter Cartridge

    For use in any brand of undersink water filtration systems that use 9 3/4-inch x 2 1/2-inch water filter cartridges Learn More
    $34.99 MSRP:  $47.99
  20. CB3 OmniFilter Undersink Filter Replacement Cartridge

    CB3-SS6-06 OmniFilter Undersink Filter Replacement Cartridge

    Fits any brand of undersink water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $50.99
  21. 1000R-D Culligan Level 3 Undersink RV and Marine Icemaker and Drinking Water Filter

    1000R-D Culligan Level 3 Undersink RV and Marine Icemaker and Drinking Water Filter

    Fits Culligan SY1000, SY-1000s, IC-1000, RV-1000, SY-750s, IC-750, and RV-750 filter systems Learn More
    $29.79 MSRP:  $43.99
  22. D-250A Culligan Undersink Filter Replacement Cartridge Set

    D-250A Culligan Undersink Filter Replacement Cartridge Set

    Fits the Culligan SY-2300, SY-2300S and SY-2650 systems and any brand of undersink water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $31.99 MSRP:  $46.99
  23. D-30 Culligan Level 2 Undersink Filter Replacement Cartridge

    Culligan D-30 Level 2 Undersink Filter Replacement Cartridge

    Fits Culligan US-550, US-600, US-600A, SY-2000, SY-2100, and any brand of water filtration system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $25.69 MSRP:  $37.99
  24. D-40 Culligan Level 4 Undersink Water Filter Replacement Cartridge

    D-40 Culligan Level 4 Undersink Water Filter Replacement Cartridge

    Fits Culligan US-550, US-600, US-600A, and any brand of water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $34.99 MSRP:  $50.99
  25. FM-15A Culligan Level 3 On-Tap Faucet Filter System

    Culligan FM-15A Level 3 Faucet Filter System

    The Culligan fm-15a level 3 faucet filter fits any standard water faucet Learn More
    $22.99 MSRP:  $28.51

Items 26 to 50 of 215 total

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